1ALU | pdb_00001alu

HUMAN INTERLEUKIN-6

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.3		PROTEIN AT 15 MG/ML WAS CRYSTALLIZED FROM 1.8M AMMONIUM SULFATE, 300 MM SODIUM POTASSIUM TARTRATE, IN 100MM PH 6.3 SODIUM CITRATE BUFFER.

Crystal Properties
Matthews coefficient	Solvent content
2.17	43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.678	α = 90
b = 49.678	β = 90
c = 121.995	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	105	IMAGE PLATE	RIGAKU RAXIS II	MIRRORS	1994-12-07	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.9	10	97.6	0.031	0.031	15	7.2		14002

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.97	88.5		0.129	0.129	5.8	3.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	THROUGHOUT	1.9	8	13905		98	0.213	0.277	RANDOM

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]

RMS Deviations
Key	Refinement Restraint Deviation
p_scbond_it	3.3
p_mcbond_it	1.5
p_angle_d	0.026
p_bond_d	0.017
p_angle_deg
p_planar_d
p_hb_or_metal_coord
p_mcangle_it
p_scangle_it
p_plane_restr
p_chiral_restr
p_singtor_nbd
p_multtor_nbd
p_xhyhbond_nbd
p_xyhbond_nbd
p_planar_tor
p_staggered_tor
p_orthonormal_tor
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1248
Nucleic Acid Atoms
Solvent Atoms	120
Heterogen Atoms	30

Software

Software
Software Name	Purpose
DENZO	data reduction
ROTAVATA	data reduction
Agrovata	data reduction
MLPHARE	phasing
REFMAC	refinement
CCP4	data scaling
ROTAVATA	data scaling